BigW Consortium Gitlab

label_manager.js 3.86 KB
Newer Older
1
/* eslint-disable comma-dangle, class-methods-use-this, no-underscore-dangle, no-param-reassign, no-unused-vars, consistent-return, func-names, space-before-function-paren, max-len */
2
/* global Flash */
3
/* global Sortable */
4

5 6 7 8 9 10 11
((global) => {
  class LabelManager {
    constructor({ togglePriorityButton, prioritizedLabels, otherLabels } = {}) {
      this.togglePriorityButton = togglePriorityButton || $('.js-toggle-priority');
      this.prioritizedLabels = prioritizedLabels || $('.js-prioritized-labels');
      this.otherLabels = otherLabels || $('.js-other-labels');
      this.errorMessage = 'Unable to update label prioritization at this time';
12
      this.emptyState = document.querySelector('#js-priority-labels-empty-state');
13 14 15 16 17 18
      this.sortable = Sortable.create(this.prioritizedLabels.get(0), {
        filter: '.empty-message',
        forceFallback: true,
        fallbackClass: 'is-dragging',
        dataIdAttr: 'data-id',
        onUpdate: this.onPrioritySortUpdate.bind(this),
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
      });
      this.bindEvents();
    }

    bindEvents() {
      return this.togglePriorityButton.on('click', this, this.onTogglePriorityClick);
    }

    onTogglePriorityClick(e) {
      e.preventDefault();
      const _this = e.data;
      const $btn = $(e.currentTarget);
      const $label = $(`#${$btn.data('domId')}`);
      const action = $btn.parents('.js-prioritized-labels').length ? 'remove' : 'add';
      const $tooltip = $(`#${$btn.find('.has-tooltip:visible').attr('aria-describedby')}`);
      $tooltip.tooltip('destroy');
35 36 37 38 39 40
      _this.toggleLabelPriority($label, action);
      _this.toggleEmptyState($label, $btn, action);
    }

    toggleEmptyState($label, $btn, action) {
      this.emptyState.classList.toggle('hidden', !!this.prioritizedLabels[0].querySelector(':scope > li'));
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
    }

    toggleLabelPriority($label, action, persistState) {
      if (persistState == null) {
        persistState = true;
      }
      let xhr;
      const _this = this;
      const url = $label.find('.js-toggle-priority').data('url');
      let $target = this.prioritizedLabels;
      let $from = this.otherLabels;
      if (action === 'remove') {
        $target = this.otherLabels;
        $from = this.prioritizedLabels;
      }
56 57
      $label.detach().appendTo($target);
      if ($from.find('li').length) {
58 59
        $from.find('.empty-message').removeClass('hidden');
      }
60
      if ($target.find('> li:not(.empty-message)').length) {
61 62
        $target.find('.empty-message').addClass('hidden');
      }
63
      // Return if we are not persisting state
64 65 66 67 68 69 70 71
      if (!persistState) {
        return;
      }
      if (action === 'remove') {
        xhr = $.ajax({
          url,
          type: 'DELETE'
        });
72
        // Restore empty message
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104
        if (!$from.find('li').length) {
          $from.find('.empty-message').removeClass('hidden');
        }
      } else {
        xhr = this.savePrioritySort($label, action);
      }
      return xhr.fail(this.rollbackLabelPosition.bind(this, $label, action));
    }

    onPrioritySortUpdate() {
      const xhr = this.savePrioritySort();
      return xhr.fail(function() {
        return new Flash(this.errorMessage, 'alert');
      });
    }

    savePrioritySort() {
      return $.post({
        url: this.prioritizedLabels.data('url'),
        data: {
          label_ids: this.getSortedLabelsIds()
        }
      });
    }

    rollbackLabelPosition($label, originalAction) {
      const action = originalAction === 'remove' ? 'add' : 'remove';
      this.toggleLabelPriority($label, action, false);
      return new Flash(this.errorMessage, 'alert');
    }

    getSortedLabelsIds() {
105
      const sortedIds = [];
106 107 108 109 110 111
      this.prioritizedLabels.find('> li').each(function() {
        const id = $(this).data('id');

        if (id) {
          sortedIds.push(id);
        }
112
      });
113
      return sortedIds;
114 115 116 117 118
    }
  }

  gl.LabelManager = LabelManager;
})(window.gl || (window.gl = {}));